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c1c44db3 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
16 | ||
17 | ///////////////////////////////////////////////////////////////////// | |
18 | // // | |
19 | // FIT detector full geometry version 1 // | |
20 | // | |
21 | //Begin Html | |
22 | /* | |
23 | <img src="gif/AliFITv1Class.gif"> | |
24 | */ | |
25 | //End Html | |
26 | // // | |
27 | // // | |
28 | ////////////////////////////////////////////////////////////////////// | |
29 | ||
30 | #include <Riostream.h> | |
31 | #include <stdlib.h> | |
32 | ||
33 | #include "TGeoCompositeShape.h" | |
34 | #include "TGeoManager.h" | |
35 | #include "TGeoMatrix.h" | |
36 | #include "TGeoVolume.h" | |
37 | #include "TGeoTube.h" | |
38 | #include "TGeoBBox.h" | |
39 | #include "TGeoNode.h" | |
40 | ||
41 | ||
42 | #include <TGeoGlobalMagField.h> | |
43 | #include <TGraph.h> | |
44 | #include <TLorentzVector.h> | |
45 | #include <TMath.h> | |
46 | #include <TVirtualMC.h> | |
47 | #include <TString.h> | |
48 | ||
49 | #include "AliLog.h" | |
50 | #include "AliMagF.h" | |
51 | #include "AliRun.h" | |
52 | ||
53 | #include "AliFITHits.h" | |
54 | #include "AliFITv1.h" | |
55 | ||
56 | #include "AliMC.h" | |
57 | #include "AliCDBLocal.h" | |
58 | #include "AliCDBStorage.h" | |
59 | #include "AliCDBManager.h" | |
60 | #include "AliCDBEntry.h" | |
61 | #include "AliTrackReference.h" | |
62 | ||
63 | ClassImp(AliFITv1) | |
64 | ||
65 | ||
66 | //-------------------------------------------------------------------- | |
67 | AliFITv1::AliFITv1(): AliFIT(), | |
68 | fIdSens1(0), | |
69 | fPMTeff(0x0) | |
70 | ||
71 | { | |
72 | // | |
73 | // Standart constructor for T0 Detector version 0 | |
74 | } | |
75 | //-------------------------------------------------------------------- | |
76 | AliFITv1::AliFITv1(const char *name, const char *title): | |
77 | AliFIT(name,title), | |
78 | fIdSens1(0), | |
79 | fPMTeff(0x0) | |
80 | ||
81 | { | |
82 | // | |
83 | // Standart constructor for T0 Detector version 0 | |
84 | // | |
85 | fIshunt = 2; | |
86 | SetPMTeff(); | |
87 | } | |
88 | //_____________________________________________________________________________ | |
89 | ||
90 | AliFITv1::~AliFITv1() | |
91 | { | |
92 | // desctructor | |
93 | } | |
94 | ||
95 | //------------------------------------------------------------------------- | |
96 | void AliFITv1::CreateGeometry() | |
97 | { | |
98 | // | |
99 | // Create the geometry of FIT Detector version 1 full geometry | |
100 | // | |
101 | // begin Html | |
102 | // | |
103 | ||
104 | Int_t *idtmed = fIdtmed->GetArray(); | |
50a4a656 | 105 | Float_t zdetC = 85; //center of mother volume |
106 | Float_t zdetA = 333; | |
c1c44db3 | 107 | |
108 | Int_t idrotm[999]; | |
109 | Double_t x,y,z; | |
50a4a656 | 110 | Float_t pstartC[3] = {6., 20 ,5}; |
111 | Float_t pstartA[3] = {2.55, 20 ,5}; | |
112 | // Float_t pinstart[3] = {3.2,3.2,3.9}; | |
113 | Float_t pinstart[3] = {3.2,3.2,4.}; | |
114 | Float_t pmcp[3] = {3.19, 3.19, 2.8}; //MCP | |
c1c44db3 | 115 | Float_t ptop[3] = {1.324, 1.324, 1.};//cherenkov radiator |
116 | Float_t preg[3] = {1.324, 1.324, 0.05};//photcathode | |
117 | ||
50a4a656 | 118 | Float_t zV0A = 329.; |
119 | Float_t pV0Amother[3] = {4.25, 41.25, 0.6}; | |
120 | Float_t pV0A[3] = {4.3, 41.2, 0.5}; | |
121 | ||
c1c44db3 | 122 | AliMatrix(idrotm[901], 90., 0., 90., 90., 180., 0.); |
123 | ||
124 | //------------------------------------------------------------------- | |
125 | // T0 volume | |
126 | //------------------------------------------------------------------- | |
50a4a656 | 127 | //C side |
128 | ||
129 | ||
130 | Float_t xc[20] = {9.6, 16, -9.6, -16, 9.6, 16, | |
131 | -9.6, -16, -9.6, -3.2, 3.2, 9.6, | |
132 | -9.6, -3.2, 3.2, 9.6, -3.2, 3.2, | |
133 | -3.2, 3.2}; | |
c1c44db3 | 134 | |
50a4a656 | 135 | Float_t yc[20] = {3.2, 3.2, 3.2, 3.2, -3.2, -3.2, |
136 | -3.2, -3.2, 9.6, 9.6, 9.6, 9.6, | |
137 | -9.6, -9.6, -9.6, -9.6, 16, 16, | |
138 | -16, -16}; | |
c1c44db3 | 139 | |
50a4a656 | 140 | // A side |
141 | Float_t xa[20] = {0.0, 0.0, 0.0, 0.0, 6.4, | |
142 | 6.4, 6.4, 6.4, 6.4, | |
143 | -6.4, -6.4, -6.4, -6.4, -6.4, | |
144 | 12.8, 12.8, 12.8, | |
145 | -12.8, -12.8, -12.8}; | |
c1c44db3 | 146 | |
50a4a656 | 147 | Float_t ya[20] = { 6.4, 12.8, -6.4, -12.8, |
148 | 0, 6.4, 12.8, -6.4, | |
149 | -12.8, 0., 6.4, 12.8, | |
150 | -6.4, -12.8, 0, 6.4, | |
151 | -6.4, 0.0, 6.4, -6.4}; | |
152 | ||
153 | Float_t zc[20] = {2,0, 2,0, 2,0, 2,0, 2,2, 2,2, 2,2, 2,2, 0,0,0,0}; | |
154 | Float_t za[20] = {2,0, 2,0, 2,2, 0,2, 0,2, 2,0, 2,0, 0,0, 0,0,0,0}; | |
c1c44db3 | 155 | |
156 | ||
50a4a656 | 157 | TGeoVolumeAssembly * stlinA = new TGeoVolumeAssembly("0STL"); // A side mother |
158 | TGeoVolumeAssembly * stlinC = new TGeoVolumeAssembly("0STR"); // C side mother | |
c1c44db3 | 159 | //T0 interior |
2942f542 | 160 | TVirtualMC::GetMC()->Gsvolu("0INS","BOX",idtmed[kAir],pinstart,3); |
c1c44db3 | 161 | TGeoVolume *ins = gGeoManager->GetVolume("0INS"); |
162 | // | |
50a4a656 | 163 | TGeoTranslation *tr[40]; |
c1c44db3 | 164 | TString nameTr; |
50a4a656 | 165 | //C side |
c1c44db3 | 166 | for (Int_t itr=0; itr<20; itr++) { |
167 | nameTr = Form("0TR%i",itr+1); | |
50a4a656 | 168 | z=-pstartA[2]+pinstart[2]+za[itr]; |
169 | tr[itr] = new TGeoTranslation(nameTr.Data(),xa[itr],ya[itr], z ); | |
170 | printf(" A %f %f %f \n",xa[itr], ya[itr], z+zdetA); | |
c1c44db3 | 171 | tr[itr]->RegisterYourself(); |
50a4a656 | 172 | stlinA->AddNode(ins,itr,tr[itr]); |
173 | z=-pstartC[2]+pinstart[2]+zc[itr]; | |
174 | tr[itr+20] = new TGeoTranslation(nameTr.Data(),xc[itr],yc[itr], z ); | |
175 | tr[itr+20]->RegisterYourself(); | |
176 | stlinC->AddNode(ins,itr+20,tr[itr+20]); | |
177 | printf(" C %f %f %f \n",xc[itr], yc[itr], z+zdetC); | |
c1c44db3 | 178 | } |
179 | TGeoVolume *alice = gGeoManager->GetVolume("ALIC"); | |
50a4a656 | 180 | alice->AddNode(stlinA,1,new TGeoTranslation(0,0, zdetA ) ); |
181 | // alice->AddNode(stlinC,1,new TGeoTranslation(0,0, zdetC ) ); | |
c1c44db3 | 182 | TGeoRotation * rotC = new TGeoRotation( "rotC",90., 0., 90., 90., 180., 0.); |
50a4a656 | 183 | alice->AddNode(stlinC,1, new TGeoCombiTrans(0., 0., -zdetC , rotC) ); |
c1c44db3 | 184 | |
185 | x=0; | |
186 | y=0; | |
187 | ||
188 | // Entry window (glass) | |
2942f542 | 189 | TVirtualMC::GetMC()->Gsvolu("0TOP","BOX",idtmed[kOpGlass],ptop,3); //glass |
c1c44db3 | 190 | TGeoVolume *top = gGeoManager->GetVolume("0TOP"); |
2942f542 | 191 | TVirtualMC::GetMC()->Gsvolu ("0REG", "BOX", idtmed[kOpGlassCathode], preg, 3); |
c1c44db3 | 192 | TGeoVolume *cat = gGeoManager->GetVolume("0REG"); |
2942f542 | 193 | TVirtualMC::GetMC()->Gsvolu("0MCP","BOX",idtmed[kGlass],pmcp,3); //glass |
c1c44db3 | 194 | TGeoVolume *mcp = gGeoManager->GetVolume("0MCP"); |
195 | ||
196 | Int_t ntops=0; | |
197 | Float_t xin=0, yin=0; | |
198 | for (Int_t ix=0; ix<2; ix++) { | |
50a4a656 | 199 | xin = - pinstart[0] + 0.55 + (ix+0.5)*2*ptop[0] ; |
200 | for (Int_t iy=0; iy<2 ; iy++) { | |
c1c44db3 | 201 | z = - pinstart[2]+ptop[2]; |
50a4a656 | 202 | yin = - pinstart[1] + 0.55 + (iy+0.5)*2*ptop[1]; |
c1c44db3 | 203 | ntops++; |
204 | ins->AddNode(top, ntops, new TGeoTranslation(xin,yin,z) ); | |
205 | // printf(" 0TOP full x %f y %f z %f \n", xin, yin, z); | |
206 | z = -pinstart[2] + 2 * ptop[2] + preg[2]; | |
207 | ins->AddNode(cat, ntops, new TGeoTranslation(xin,yin,z) ); | |
208 | ||
209 | // printf(" GEOGEO %i %i %i %f %f %f %f %f %f \n", ntops, ix, iy, | |
210 | // xin,yin,x1[ntops],y1[ntops],x1[ntops]+xin,y1[ntops]+yin); | |
211 | } | |
212 | } | |
213 | // MCP | |
214 | z=-pinstart[2] + 2*ptop[2] + 2*preg[2] + pmcp[2]; | |
215 | ins->AddNode(mcp, 1 , new TGeoTranslation(0,0,z) ); | |
50a4a656 | 216 | /* |
217 | //V0A | |
218 | TVirtualMC::GetMC()->Gsvolu("0V0AM","TUBE",idtmed[kAir],pV0Amother,3); | |
219 | TVirtualMC::GetMC()->Gspos ("0V0AM",1, "ALIC", 0,0,zV0A , 0, "ONLY"); | |
220 | TVirtualMC::GetMC()->Gsvolu("0V0A","TUBE",idtmed[kSensAir],pV0A,3); | |
221 | TVirtualMC::GetMC()->Gspos ("0V0A",1, "0V0AM", 0, 0, 0, 0, "ONLY"); | |
222 | */ | |
c1c44db3 | 223 | |
224 | ||
225 | } | |
226 | //------------------------------------------------------------------------ | |
227 | void AliFITv1::AddAlignableVolumes() const | |
228 | { | |
229 | // | |
230 | // Create entries for alignable volumes associating the symbolic volume | |
231 | // name with the corresponding volume path. Needs to be syncronized with | |
232 | // eventual changes in the geometry. | |
233 | // | |
234 | TString volPath; | |
235 | TString symName, sn; | |
236 | TString vpAalign = "/ALIC_1/0STL_1"; | |
50a4a656 | 237 | TString vpCalign = "/ALIC_1/0STR_1"; |
c1c44db3 | 238 | for (Int_t imod=0; imod<2; imod++) { |
50a4a656 | 239 | if (imod==0) {volPath = vpCalign; symName="/ALIC_1/0STL"; } |
240 | if (imod==1) {volPath = vpAalign; symName="/ALIC_1/0STR"; } | |
c1c44db3 | 241 | |
242 | AliDebug(2,"--------------------------------------------"); | |
243 | AliDebug(2,Form("volPath=%s\n",volPath.Data())); | |
244 | AliDebug(2,Form("symName=%s\n",symName.Data())); | |
245 | AliDebug(2,"--------------------------------------------"); | |
246 | if(!gGeoManager->SetAlignableEntry(symName.Data(),volPath.Data())) | |
247 | AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", | |
248 | symName.Data(),volPath.Data())); | |
249 | } | |
250 | } | |
251 | //------------------------------------------------------------------------ | |
252 | void AliFITv1::CreateMaterials() | |
253 | { | |
254 | ||
255 | Int_t isxfld = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Integ(); | |
256 | Float_t sxmgmx = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Max(); | |
257 | // Float_t a,z,d,radl,absl,buf[1]; | |
258 | // Int_t nbuf; | |
259 | // AIR | |
260 | ||
261 | Float_t aAir[4]={12.0107,14.0067,15.9994,39.948}; | |
262 | Float_t zAir[4]={6.,7.,8.,18.}; | |
263 | Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827}; | |
264 | Float_t dAir = 1.20479E-3; | |
265 | Float_t dAir1 = 1.20479E-11; | |
266 | // Radiator glass SiO2 | |
267 | Float_t aglass[2]={28.0855,15.9994}; | |
268 | Float_t zglass[2]={14.,8.}; | |
269 | Float_t wglass[2]={1.,2.}; | |
270 | Float_t dglass=2.65; | |
271 | // MCP glass SiO2 | |
272 | Float_t dglass_mcp=1.3; | |
273 | //*** Definition Of avaible T0 materials *** | |
274 | AliMixture(1, "Vacuum$", aAir, zAir, dAir1,4,wAir); | |
275 | AliMixture(2, "Air$", aAir, zAir, dAir,4,wAir); | |
276 | AliMixture( 4, "MCP glass $",aglass,zglass,dglass_mcp,-2,wglass); | |
277 | AliMixture( 24, "Radiator Optical glass$",aglass,zglass,dglass,-2,wglass); | |
278 | ||
279 | AliMedium(1, "Air$", 2, 0, isxfld, sxmgmx, 10., .1, 1., .003, .003); | |
280 | AliMedium(3, "Vacuum$", 1, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003); | |
281 | AliMedium(6, "Glass$", 4, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003); | |
282 | ||
283 | AliMedium(16, "OpticalGlass$", 24, 1, isxfld, sxmgmx, 10., .01, .1, .003, .003); | |
284 | AliMedium(19, "OpticalGlassCathode$", 24, 1, isxfld, sxmgmx, 10., .01, .1, .003, .003); | |
285 | AliMedium(22, "SensAir$", 2, 1, isxfld, sxmgmx, 10., .1, 1., .003, .003); | |
286 | ||
287 | AliDebugClass(1,": ++++++++++++++Medium set++++++++++"); | |
288 | ||
289 | ||
290 | } | |
291 | ||
292 | //------------------------------------------------------------------- | |
293 | void AliFITv1::DefineOpticalProperties() | |
294 | { | |
295 | ||
296 | ||
297 | // Optical properties definition. | |
298 | Int_t *idtmed = fIdtmed->GetArray(); | |
299 | // Definition Cherenkov parameters | |
300 | int i; | |
301 | const Int_t kNbins=31; | |
302 | ||
303 | Float_t rindexSiO2[kNbins], efficAll[kNbins], rindexAir[kNbins], absorAir[kNbins],rindexCathodeNext[kNbins], absorbCathodeNext[kNbins]; | |
304 | Double_t efficMet[kNbins], aReflMet[kNbins]; | |
305 | ||
306 | // quartz 20mm | |
307 | Float_t aAbsSiO2[kNbins]={29.0, 28.6, 28.3, 27.7, 27.3, 26.7, 26.4, | |
308 | 25.9, 25.3, 24.9, 24.5, 23.7, | |
309 | 23.2, 22.8, 22.4, 21.8, 21.3, | |
310 | 22.8, 22.1, 21.7, 21.2, 20.5, | |
311 | 19.9, 19.3, 18.7, 18.0, 17.1, | |
312 | 16.3, 15.3, 14.3, 14.3 }; | |
313 | ||
314 | Float_t aPckov[kNbins] ={3.87, 3.94, 4.02, 4.11, 4.19, 4.29, 4.38, | |
315 | 4.48, 4.58, 4.69, 4.81, 4.93, | |
316 | 5.05, 5.19, 5.33, 5.48, 5.63, | |
317 | 5.8, 5.97, 6.16, 6.36, 6.57, | |
318 | 6.8, 7.04, 7.3, 7.58, 7.89, | |
319 | 8.22, 8.57, 8.97, 9.39 }; | |
320 | Double_t dPckov[kNbins] ={3.87, 3.94, 4.02, 4.11, 4.19, 4.29, 4.38, | |
321 | 4.48, 4.58, 4.69, 4.81, 4.93, | |
322 | 5.05, 5.19, 5.33, 5.48, 5.63, | |
323 | 5.8, 5.97, 6.16, 6.36, 6.57, | |
324 | 6.8, 7.04, 7.3, 7.58, 7.89, | |
325 | 8.22, 8.57, 8.97, 9.39 }; | |
326 | ||
327 | /* | |
328 | Float_t effCathode[kNbins]={0.11, 0.13, 0.15, 0.16, 0.18, 0.19, 0.20, | |
329 | 0.21, 0.22, 0.23, 0.24, 0.26, | |
330 | 0.27, 0.29, 0.30, 0.29, 0.29, | |
331 | 0.28, 0.28, 0.27, 0.26, 0.25, | |
332 | 0.25, 0.23, 0.20, 0.19, 0.17, | |
333 | 0.17, 0.17, 0.2, 0.23}; | |
334 | */ | |
335 | // Float_t aAbsSiO2[kNbins]; //quartz 30mm | |
336 | for(i=0;i<kNbins;i++) | |
337 | ||
338 | { | |
339 | aPckov[i]=aPckov[i]*1e-9;//Photons energy bins 4 eV - 8.5 eV step 0.1 eV | |
340 | dPckov[i]=dPckov[i]*1e-9;//Photons energy bins 4 eV - 8.5 eV step 0.1 eV | |
341 | // rindexAir[i]=0.0001; | |
342 | rindexAir[i] = 1.; | |
343 | rindexSiO2[i]=1.458; //refractive index for qwarts | |
344 | rindexCathodeNext[i]=0; | |
345 | efficAll[i]=1.; | |
346 | efficMet[i]=0.; | |
347 | aReflMet[i]=1.; | |
348 | // aAbsSiO2[i]=28.5; //quartz 30mm | |
349 | absorAir[i]=0.3; | |
350 | absorbCathodeNext[i]=0; | |
351 | ||
352 | } | |
353 | ||
2942f542 | 354 | TVirtualMC::GetMC()->SetCerenkov (idtmed[kOpGlass], kNbins, aPckov, aAbsSiO2, efficAll, rindexSiO2 ); |
355 | // TVirtualMC::GetMC()->SetCerenkov (idtmed[kOpGlassCathode], kNbins, aPckov, aAbsSiO2, effCathode, rindexSiO2 ); | |
356 | TVirtualMC::GetMC()->SetCerenkov (idtmed[kOpGlassCathode], kNbins, aPckov, aAbsSiO2,efficAll , rindexSiO2 ); | |
357 | // TVirtualMC::GetMC()->SetCerenkov (idtmed[kOpAir], kNbins, aPckov,absorAir , efficAll,rindexAir ); | |
358 | // TVirtualMC::GetMC()->SetCerenkov (idtmed[kOpAirNext], kNbins, aPckov,absorbCathodeNext , efficAll, rindexCathodeNext); | |
c1c44db3 | 359 | |
360 | //Define a boarder for radiator optical properties | |
2942f542 | 361 | TVirtualMC::GetMC()->DefineOpSurface("surfRd", kUnified /*kGlisur*/,kDielectric_metal,kPolished, 0.); |
362 | TVirtualMC::GetMC()->SetMaterialProperty("surfRd", "EFFICIENCY", kNbins, dPckov, efficMet); | |
363 | TVirtualMC::GetMC()->SetMaterialProperty("surfRd", "REFLECTIVITY", kNbins, dPckov, aReflMet); | |
c1c44db3 | 364 | |
365 | ||
366 | } | |
367 | ||
368 | //------------------------------------------------------------------- | |
369 | void AliFITv1::Init() | |
370 | { | |
371 | // Initialises version 0 of the Forward Multiplicity Detector | |
372 | // | |
373 | AliFIT::Init(); | |
2942f542 | 374 | fIdSens1=TVirtualMC::GetMC()->VolId("0REG"); |
50a4a656 | 375 | fIdSens2=TVirtualMC::GetMC()->VolId("0V0A"); |
c1c44db3 | 376 | |
377 | AliDebug(1,Form("%s: *** FIT version 1 initialized ***\n",ClassName())); | |
378 | } | |
379 | ||
380 | //------------------------------------------------------------------- | |
381 | ||
382 | void AliFITv1::StepManager() | |
383 | { | |
384 | // | |
385 | // Called for every step in the T0 Detector | |
386 | // | |
387 | Int_t id,copy,copy1; | |
388 | static Float_t hits[6]; | |
389 | static Int_t vol[3]; | |
390 | TLorentzVector pos; | |
391 | TLorentzVector mom; | |
392 | ||
393 | // TClonesArray &lhits = *fHits; | |
394 | ||
2942f542 | 395 | if(!TVirtualMC::GetMC()->IsTrackAlive()) return; // particle has disappeared |
c1c44db3 | 396 | |
2942f542 | 397 | id=TVirtualMC::GetMC()->CurrentVolID(copy); |
c1c44db3 | 398 | // Check the sensetive volume |
399 | if(id==fIdSens1 ) { | |
2942f542 | 400 | if(TVirtualMC::GetMC()->IsTrackEntering()) { |
401 | TVirtualMC::GetMC()->CurrentVolOffID(1,copy1); | |
c1c44db3 | 402 | vol[1] = copy1; |
403 | vol[0]=copy; | |
2942f542 | 404 | TVirtualMC::GetMC()->TrackPosition(pos); |
c1c44db3 | 405 | hits[0] = pos[0]; |
406 | hits[1] = pos[1]; | |
407 | hits[2] = pos[2]; | |
408 | if(pos[2]<0) vol[2] = 0; | |
409 | else vol[2] = 1 ; | |
410 | // printf(" volumes pmt %i mcp %i side %i x %f y %f z %f\n", vol[0], vol[1], vol[2], hits[0], hits[1], hits[2] ); | |
411 | ||
2942f542 | 412 | Float_t etot=TVirtualMC::GetMC()->Etot(); |
c1c44db3 | 413 | hits[3]=etot; |
2942f542 | 414 | Int_t iPart= TVirtualMC::GetMC()->TrackPid(); |
415 | Int_t partID=TVirtualMC::GetMC()->IdFromPDG(iPart); | |
c1c44db3 | 416 | hits[4]=partID; |
2942f542 | 417 | Float_t ttime=TVirtualMC::GetMC()->TrackTime(); |
c1c44db3 | 418 | hits[5]=ttime*1e12; |
2942f542 | 419 | if (TVirtualMC::GetMC()->TrackPid() == 50000050) // If particles is photon then ... |
c1c44db3 | 420 | { |
421 | // if(RegisterPhotoE(vol[1]-1,hits[3])) { | |
422 | if(RegisterPhotoE(hits[3])) { | |
423 | AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(),vol,hits); | |
424 | // Create a track reference at the exit of photocatode | |
425 | } | |
426 | } | |
427 | ||
428 | //charge particle | |
2942f542 | 429 | if ( TVirtualMC::GetMC()->TrackCharge() ) |
c1c44db3 | 430 | AddTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber(), AliTrackReference::kFIT); |
431 | ||
432 | }// trck entering | |
433 | } //sensitive | |
50a4a656 | 434 | //V0A |
435 | if(id==fIdSens2 ) { | |
436 | if ( TVirtualMC::GetMC()->TrackCharge() ) { | |
437 | if(TVirtualMC::GetMC()->IsTrackEntering()) { | |
438 | TVirtualMC::GetMC()->TrackPosition(pos); | |
439 | hits[0] = pos[0]; | |
440 | hits[1] = pos[1]; | |
441 | hits[2] = pos[2]; | |
442 | vol[0]=0; | |
443 | vol[1]=0; | |
444 | vol[2]=2; | |
445 | ||
446 | Float_t etot=TVirtualMC::GetMC()->Etot(); | |
447 | hits[3]=etot; | |
448 | Int_t iPart= TVirtualMC::GetMC()->TrackPid(); | |
449 | Int_t partID=TVirtualMC::GetMC()->IdFromPDG(iPart); | |
450 | hits[4]=partID; | |
451 | Float_t ttime=TVirtualMC::GetMC()->TrackTime(); | |
452 | hits[5]=ttime*1e12; | |
453 | AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(),vol,hits); | |
454 | // printf(" volumes pmt %i mcp %i vol %i x %f y %f z %f particle %i all \n", vol[0], vol[1], vol[2], hits[0], hits[1], hits[2], hits[4]); | |
455 | } | |
456 | } | |
457 | } | |
c1c44db3 | 458 | |
50a4a656 | 459 | } |
c1c44db3 | 460 | |
461 | ||
462 | //------------------------------------------------------------------------ | |
463 | Bool_t AliFITv1::RegisterPhotoE(Double_t energy) | |
464 | { | |
465 | ||
466 | ||
467 | // Float_t hc=197.326960*1.e6; //mev*nm | |
468 | Double_t hc=1.973*1.e-6; //gev*nm | |
469 | Float_t lambda=hc/energy; | |
470 | Float_t eff = fPMTeff->Eval(lambda); | |
471 | Double_t p = gRandom->Rndm(); | |
472 | ||
473 | if (p > eff) | |
474 | return kFALSE; | |
475 | ||
476 | return kTRUE; | |
477 | } | |
478 | ||
479 | //---------------------------------------------------------------------------- | |
480 | ||
481 | void AliFITv1::SetPMTeff() | |
482 | { | |
483 | Float_t lambda[50]; | |
484 | Float_t eff[50 ] = {0, 0, 0.23619, 0.202909, 0.177913, | |
485 | 0.175667, 0.17856, 0.190769, 0.206667, 0.230286, | |
486 | 0.252276, 0.256267,0.26, 0.27125, 0.281818, | |
487 | 0.288118, 0.294057,0.296222, 0.301622, 0.290421, | |
488 | 0.276615, 0.2666, 0.248, 0.23619, 0.227814, | |
489 | 0.219818, 0.206667,0.194087, 0.184681, 0.167917, | |
490 | 0.154367, 0.1364, 0.109412, 0.0834615,0.0725283, | |
491 | 0.0642963,0.05861, 0.0465, 0.0413333,0.032069, | |
492 | 0.0252203,0.02066, 0.016262, 0.012, 0.00590476, | |
493 | 0.003875, 0.00190, 0, 0, 0 } ; | |
494 | for (Int_t i=0; i<50; i++) lambda[i]=200+10*i; | |
495 | ||
496 | fPMTeff = new TGraph(50,lambda,eff); | |
497 | ||
498 | } | |
499 | ||
500 | ||
501 | ||
502 | ||
503 |